The Grothendieck group of GL(F)×GL(G)-equivariant modules over the coordinate ring of determinantal varieties J. Weyman — 1998 Colloquium Mathematicae
The Grothendieck group of G-equivariant modules over coordinate rings of G-orbits J. Klimek; W. Kraśkiewicz; J. Weyman — 1998 Colloquium Mathematicae